Quality tool for installing and removing Shimano� and ISIS Drive� splined 20-tooth bottom bracket cups Can be used with a 3/8� drive torque wrench 3/8� ratchet driver, 32mm wrench, FRW-1 Freewheel Remover Wrench, or 1� wrench Bottom Bracket Socket 22 Notch BBT-22UPC/EAN/GTIN: 763477000385